Fix typo (#7040)

While the output happens to be the same, avoid potential translation
problems and fix the template.

Author: aitap

src/fread.c

@@ -2799,7 +2799,7 @@ int freadMain(freadMainArgs _args) {
       tAlloc-tColType, 100.0*(tAlloc-tColType)/tTot, allocnrow, ncol, DTbytes/(1024.0*1024*1024), DTi, 100.0*DTi/allocnrow);
     thRead/=nth; thPush/=nth;
     double thWaiting = tReread-tAlloc-thRead-thPush;
-    DTPRINT(_("%8.3fs (%3.0f%%) Reading %d chunks (%d swept) of %.3fMB (each chunk %"PRId64" rows) using% d threads\n"),
+    DTPRINT(_("%8.3fs (%3.0f%%) Reading %d chunks (%d swept) of %.3fMB (each chunk %"PRId64" rows) using %d threads\n"),
             tReread-tAlloc, 100.0*(tReread-tAlloc)/tTot, nJumps, nSwept, (double)chunkBytes/(1024*1024), DTi/nJumps, nth);
     DTPRINT(_("   + %8.3fs (%3.0f%%) Parse to row-major thread buffers (grown %d times)\n"), thRead, 100.0*thRead/tTot, buffGrown);
     DTPRINT(_("   + %8.3fs (%3.0f%%) Transpose\n"), thPush, 100.0*thPush/tTot);